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HGST0S03835
WDWD1003FZEX

Release date ≈ Q4 2015.

Release date: Q4 2013.

Real World Speed
Performance profile from 241,625 user samples
660 User Benchmarks
Best Bench: 110% 4TB free
Worst Bench: 56% 329GB free
Poor: 56% Great: 110%
SPEED RANK: 43rd / 1015
240,965 User Benchmarks
Best Bench: 108% 836GB free
Worst Bench: 50% 413GB free (System drive)
Poor: 50% Great: 108%
SPEED RANK: 65th / 1015
Effective Speed
Effective HDD Speed
85.6 % +4% 82.3 %
Read
Avg. Sequential Read Speed
148 MB/s 152 MB/s +3%
Write
Avg. Sequential Write Speed
155 MB/s Faster write speed.
+14%
136 MB/s
4K Read
Avg. 4K Random Read Speed
1.05 MB/s 1.23 MB/s Faster random read.
+17%
4K Write
Avg. 4K Random Write Speed
2.79 MB/s Faster random write.
+12%
2.48 MB/s
Mixed
Avg. Sequential Mixed IO Speed
74.6 MB/s 88 MB/s Faster mixed IO speed.
+18%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.61 MB/s 1.09 MB/s Much faster random mixed IO.
+79%
SusWrite
Avg. Sustained Write Speed
150 MB/s Faster sustained write speed.
+12%
134 MB/s
Read
Peak Sequential Read Speed
196 MB/s 203 MB/s +4%
Write
Peak Sequential Write Speed
199 MB/s Faster peak write speed.
+15%
173 MB/s
4K Read
Peak 4K Random Read Speed
1.2 MB/s 1.5 MB/s Faster peak random read.
+25%
4K Write
Peak 4K Random Write Speed
4.7 MB/s Much faster peak random write.
+57%
3 MB/s
Mixed
Peak Sequential Mixed IO Speed
89.1 MB/s 111 MB/s Faster peak mixed IO speed.
+25%
4K Mixed
Peak 4K Random Mixed IO Speed
1 MB/s 1.2 MB/s Faster peak random mixed IO.
+20%
SusWrite
Peak Sequential Sustained Write 60s Average
191 MB/s Slightly faster peak sustained write speed.
+6%
180 MB/s
Market Share
Based on 53,961,773 HDDs tested
Market Share
Market Share (trailing 30 days)
0 % 0.88 % Insanely higher market share.
+∞%
Value
Value For Money
37 % Much better value.
+43%
25.9 %
User Rating
UBM User Rating
50 % 58 % More popular.
+16%
Price
Price (score)
$231 $64 Much cheaper.
+73%
Age
Newest
109+ Months More recent.
+18%
133 Months
Capacity
Capacity
5TB 1TB

This is the most recent version (2013 FZEX) of Western Digital's best performing consumer storage drive, its predecessor was the WD1002FAEX which is now four years old. With average sequential read/write speeds of 150 MB/s this version outperforms its predecessor by a whopping 50%. Small file random 4K speeds have remained broadly unchanged with average read/write rates of 0.9/2.19 MB/s. Overall the 2013 WD Black has a very good performance profile and it also represents reasonable value for money, at least in the 1TB category. There are some good alternatives to the 2013 Black including the 2012 Blue. Looking at the 2013 Black vs 2012 Blue shows that both drives have similar performance. Power consumption (6.8/6.1 Watts active/idle) and noise levels (29.5 dBA) are also identical making it a tough call between the two. There is however, as always, better value amongst the larger capacities. [Feb '14 HDrivePro]

MORE DETAILS

Hard Drive Rankings (Price vs Performance) November 2024 HDD Rankings

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top HDDs. [HDrivePro]

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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